<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      * {
        margin: 0;
        padding: 0;
      }
      body {
        background: #ccc;
      }
      .yun {
        width: 330px;
        height: 120px;
        background: #f2f9fe;
        background: -webkit-linear-gradient(top, #f2f9f3 5%, #d6f0fd 100%);
        background: -moz-linear-gradient(top, #f2f9fe 5%, #d6f0fd 100%);
        background: -ms-linear-gradient(top, #f2f9fe 5%, #d6f0fd 100%);
        background: -o-linear-gradient(top, #f2f9fe 5%, #d6f0fd 100%);
        background: linear-gradient(top, #f2f9fe 5%, #d6f0fd 100%);
        border-radius: 100px;
        position: relative;
        margin: 120px auto 20px;
      }
      .yun:after,
      .yun:before {
        content: '';
        position: absolute;
        background: #f2f9fe;
        z-index: -1;
      }
      .yun:after {
        width: 100px;
        height: 100px;
        top: -50px;
        left: 50px;
        border-radius: 100px;
      }
      .yun:before {
        width: 180px;
        height: 180px;
        top: -90px;
        right: 50px;
        border-radius: 200px;
      }
      /* .shadow {
        width: 350px;
        position: absolute;
        bottom: -10px;
        background: #000;
        z-index: -1;
        box-shadow: 0 0 25px 8px rgba(0, 0, 0, 0.4);
        border-radius: 50%;
        -webkit-border-radius: 50%;
      } */
    </style>
  </head>
  <body>
    <div class="yun"><span class="ll"></span></div>
  </body>
</html>
